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gdb-rhbz1325795-framefilters-test.patch
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File gdb-rhbz1325795-framefilters-test.patch of Package gdb
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 From: Fedora GDB patches <invalid@email.com> Date: Fri, 27 Oct 2017 21:07:50 +0200 Subject: gdb-rhbz1325795-framefilters-test.patch ;; New test for Python "Cannot locate object file for block" (for RH BZ 1325795). ;;=fedoratest diff --git a/gdb/testsuite/gdb.python/py-framefilter-thread.c b/gdb/testsuite/gdb.python/py-framefilter-thread.c new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.python/py-framefilter-thread.c @@ -0,0 +1,39 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2016 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#include <pthread.h> +#include <assert.h> + +static void * +start (void *arg) +{ + return arg; /* Backtrace end breakpoint */ +} + +int +main (void) +{ + pthread_t thread1; + int i; + + i = pthread_create (&thread1, NULL, start, NULL); + assert (i == 0); + i = pthread_join (thread1, NULL); + assert (i == 0); + + return 0; +} diff --git a/gdb/testsuite/gdb.python/py-framefilter-thread.exp b/gdb/testsuite/gdb.python/py-framefilter-thread.exp new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.python/py-framefilter-thread.exp @@ -0,0 +1,54 @@ +# Copyright (C) 2016 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +load_lib gdb-python.exp + +standard_testfile + +if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug pthreads}]} { + return -1 +} + +# Skip all tests if Python scripting is not enabled. +if { [skip_python_tests] } { continue } + +if ![runto_main] then { + return +} +gdb_test_no_output "set python print-stack full" \ + "Set python print-stack to full" + +# Load global frame-filters +set remote_python_file [remote_download host ${srcdir}/${subdir}/${testfile}.py] +gdb_test_no_output "python exec (open ('${remote_python_file}').read ())" \ + "Load python file" + +gdb_breakpoint [gdb_get_line_number "Backtrace end breakpoint"] +gdb_continue_to_breakpoint "Backtrace end breakpoint" + +# #2 0x00007ffff75f228d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113^M +gdb_test "bt no-filters" " in (\\.?_*clone|thread_start) \[^\r\n\]*" "bt no-filters" + +# #2 0x00007ffff75f228d in 941595343737041 () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113^M +# vs. +# #2 0x00007ffff75f228d in 941595343737041Traceback (most recent call last): +# File "/home/jkratoch/redhat/rhel/gdb/rhel-7.3/gdb-7.6.1/gdb/testsuite/../data-directory/python/gdb/FrameDecorator.py", line 145, in frame_args +# return self._base.frame_args() +# File "/home/jkratoch/redhat/rhel/gdb/rhel-7.3/gdb-7.6.1/gdb/testsuite/../data-directory/python/gdb/FrameDecorator.py", line 152, in frame_args +# return args.fetch_frame_args() +# File "/home/jkratoch/redhat/rhel/gdb/rhel-7.3/gdb-7.6.1/gdb/testsuite/../data-directory/python/gdb/FrameDecorator.py", line 276, in fetch_frame_args +# block = self.frame.block() +# RuntimeError: Cannot locate object file for block. +gdb_test "bt" " in \[0-9\]+ \[^\r\n\]*" "bt with filters" diff --git a/gdb/testsuite/gdb.python/py-framefilter-thread.py b/gdb/testsuite/gdb.python/py-framefilter-thread.py new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.python/py-framefilter-thread.py @@ -0,0 +1,60 @@ +# Copyright (C) 2016 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# This file is part of the GDB testsuite. It tests Python-based +# frame-filters. + +# This test is specifically crafted for RH BZ 1197665. + +import gdb +import itertools +from gdb.FrameDecorator import FrameDecorator +import copy + +class Reverse_Function (FrameDecorator): + + def __init__(self, fobj): + super(Reverse_Function, self).__init__(fobj) + self.fobj = fobj + + def function (self): + # This function call should not fail. + gdb.target_charset () + + fname = str (self.fobj.function()) + if (fname == None or fname == ""): + return None + else: + fname = fname[::-1] + return fname + +class FrameFilter (): + + def __init__ (self): + self.name = "Reverse" + self.priority = 100 + self.enabled = True + gdb.frame_filters [self.name] = self + + def filter (self, frame_iter): + # Python 3.x moved the itertools.imap functionality to map(), + # so check if it is available. + if hasattr(itertools, "imap"): + frame_iter = itertools.imap (Reverse_Function, frame_iter) + else: + frame_iter = map (Reverse_Function, frame_iter) + return frame_iter + +FrameFilter()
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